Subject: [PATCH 12/12 v2] ARM: OMAP3: Add Overo board
From: Dirk Behme dirk.behme@gmail.com
Add Overo board
Signed-off-by: Dirk Behme dirk.behme@gmail.com
--- Changes in version v2:
- Rebase against u-boot-arm.git next (CFG vs. CONFIG changes)
Makefile | 3 board/omap3/overo/Makefile | 46 ++++++ board/omap3/overo/config.mk | 12 + board/omap3/overo/overo.c | 119 +++++++++++++++++ board/omap3/overo/u-boot.lds | 63 +++++++++ include/configs/omap3_overo.h | 283 ++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 526 insertions(+)
Index: u-boot-arm/board/omap3/overo/Makefile =================================================================== --- /dev/null +++ u-boot-arm/board/omap3/overo/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000, 2001, 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := overo.o + +$(LIB): $(OBJS) + $(AR) crv $@ $^ + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### Index: u-boot-arm/board/omap3/overo/config.mk =================================================================== --- /dev/null +++ u-boot-arm/board/omap3/overo/config.mk @@ -0,0 +1,12 @@ +# Overo uses OMAP3 (ARM-CortexA8) cpu +# +# Physical Address: +# 8000'0000 (bank0) +# A000/0000 (bank1) +# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000 +# (mem base + reserved) + +# For use with external or internal boots. +TEXT_BASE = 0x80e80000 + + Index: u-boot-arm/board/omap3/overo/overo.c =================================================================== --- /dev/null +++ u-boot-arm/board/omap3/overo/overo.c @@ -0,0 +1,119 @@ +/* + * Maintainer : Steve Sakoman steve@sakoman.com + * + * Derived from Beagle Board, 3430 SDP, and OMAP3EVM code by + * Richard Woodruff r-woodruff2@ti.com + * Syed Mohammed Khasim khasim@ti.com + * Sunil Kumar sunilsaini05@gmail.com + * Shashi Ranjan shashiranjanmca05@gmail.com + * + * (C) Copyright 2004-2008 + * Texas Instruments, <www.ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <asm/io.h> +#include <asm/arch/mux.h> +#include <asm/arch/sys_proto.h> +#include <i2c.h> +#include <asm/mach-types.h> + +const omap3_sysinfo sysinfo = { + SDP_3430_V1, + SDP_3430_V2, + "3503", + "Gumstix Overo board", +}; + +/****************************************************************************** + * Routine: board_init + * Description: Early hardware init. + *****************************************************************************/ +int board_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ + /* board id for Linux */ + gd->bd->bi_arch_number = MACH_TYPE_OVERO; + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + + return 0; +} + +/****************************************************************************** + * Routine: misc_init_r + * Description: Init ethernet (done here so udelay works) + *****************************************************************************/ +int misc_init_r(void) +{ + + unsigned char byte; + +#ifdef CONFIG_DRIVER_OMAP34XX_I2C + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); +#endif + /* set vaux2 to 2.8V */ + byte = 0x20; + i2c_write(0x4B, 0x76, 1, &byte, 1); + byte = 0x09; + i2c_write(0x4B, 0x79, 1, &byte, 1); + + /* set vaux3 to 2.8V */ + byte = 0x20; + i2c_write(0x4B, 0x7A, 1, &byte, 1); + byte = 0x03; + i2c_write(0x4B, 0x7D, 1, &byte, 1); + + /* set vpll2 to 1.8V */ + byte = 0xE0; + i2c_write(0x4B, 0x8E, 1, &byte, 1); + byte = 0x05; + i2c_write(0x4B, 0x91, 1, &byte, 1); + + /* set VDAC to 1.8V */ + byte = 0x20; + i2c_write(0x4B, 0x96, 1, &byte, 1); + byte = 0x03; + i2c_write(0x4B, 0x99, 1, &byte, 1); + + byte = 0x33; + i2c_write(0x4A, 0xEE, 1, &byte, 1); + + *((uint *) 0x49058034) = 0xFFFFFAF9; + *((uint *) 0x49056034) = 0x0F9F0FFF; + *((uint *) 0x49058094) = 0x00000506; + *((uint *) 0x49056094) = 0xF060F000; + + return 0; +} + +/****************************************************************************** + * Routine: set_muxconf_regs + * Description: Setting up the configuration Mux registers specific to the + * hardware. Many pins need to be moved from protect to primary + * mode. + *****************************************************************************/ +void set_muxconf_regs(void) +{ + MUX_DEFAULT_OVERO(); +} + Index: u-boot-arm/board/omap3/overo/u-boot.lds =================================================================== --- /dev/null +++ u-boot-arm/board/omap3/overo/u-boot.lds @@ -0,0 +1,63 @@ +/* + * January 2004 - Changed to support H4 device + * Copyright (c) 2004 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, gj@denx.de + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/arm_cortexa8/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } + __exidx_start = .; + .ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } + __exidx_end = .; + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} Index: u-boot-arm/include/configs/omap3_overo.h =================================================================== --- /dev/null +++ u-boot-arm/include/configs/omap3_overo.h @@ -0,0 +1,283 @@ +/* + * Configuration settings for the Gumstix Overo board. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H +#include <asm/sizes.h> + +/* + * High Level Configuration Options + */ +#define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */ +#define CONFIG_OMAP 1 /* in a TI OMAP core */ +#define CONFIG_OMAP34XX 1 /* which is a 34XX */ +#define CONFIG_OMAP3430 1 /* which is in a 3430 */ +#define CONFIG_OVERO 1 /* working with overo */ + +#include <asm/arch/cpu.h> /* get chip and board defs */ +#include <asm/arch/omap3.h> + +/* Clock Defines */ +#define V_OSCK 26000000 /* Clock output from T2 */ +#define V_SCLK (V_OSCK >> 1) + +#undef CONFIG_USE_IRQ /* no support for IRQs */ +#define CONFIG_MISC_INIT_R + +#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SETUP_MEMORY_TAGS 1 +#define CONFIG_INITRD_TAG 1 +#define CONFIG_REVISION_TAG 1 + +/* + * Size of malloc() pool + */ +#define CONFIG_ENV_SIZE SZ_128K /* Total Size Environment Sector */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_128K) +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for initial data */ + +/* + * Hardware drivers + */ + +/* + * NS16550 Configuration + */ +#define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */ + +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +#define CONFIG_SYS_NS16550_REG_SIZE (-4) +#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK + +/* + * select serial console configuration + */ +#define CONFIG_CONS_INDEX 3 +#define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 +#define CONFIG_SERIAL3 3 + +/* allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, 115200} +#define CONFIG_MMC 1 +#define CONFIG_SYS_MMC_BASE 0xF0000000 +#define CONFIG_DOS_PARTITION 1 + +/* commands to include */ + +#define CONFIG_CMD_EXT2 /* EXT2 Support */ +#define CONFIG_CMD_FAT /* FAT support */ +#define CONFIG_CMD_JFFS2 /* JFFS2 Support */ + +#define CONFIG_CMD_I2C /* I2C serial bus support */ +#define CONFIG_CMD_MMC /* MMC support */ +#define CONFIG_CMD_NAND /* NAND support */ + +#define CONFIG_CMD_AUTOSCRIPT /* autoscript support */ +#define CONFIG_CMD_BDI /* bdinfo */ +#define CONFIG_CMD_BOOTD /* bootd */ +#define CONFIG_CMD_CONSOLE /* coninfo */ +#define CONFIG_CMD_ECHO /* echo arguments */ +#define CONFIG_CMD_ENV /* saveenv */ +#define CONFIG_CMD_ITEST /* Integer (and string) test */ +#define CONFIG_CMD_LOADB /* loadb */ +#define CONFIG_CMD_MEMORY /* md mm nm mw cp cmp crc base loop mtest */ +#define CONFIG_CMD_MISC /* misc functions like sleep etc*/ +#define CONFIG_CMD_RUN /* run command in env variable */ + +#define CONFIG_SYS_NO_FLASH +#define CONFIG_SYS_I2C_SPEED 100000 +#define CONFIG_SYS_I2C_SLAVE 1 +#define CONFIG_SYS_I2C_BUS 0 +#define CONFIG_SYS_I2C_BUS_SELECT 1 +#define CONFIG_DRIVER_OMAP34XX_I2C 1 + +/* + * Board NAND Info. + */ +#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address to access nand */ +#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address to access nand at CS0 */ +#define CONFIG_SYS_NAND_WIDTH_16 + +#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ +#define SECTORSIZE 512 + +#define NAND_ALLOW_ERASE_ALL +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 + +#define NAND_ChipID_UNKNOWN 0x00 +#define NAND_MAX_FLOORS 1 +#define NAND_MAX_CHIPS 1 +#define NAND_NO_RB 1 +#define CONFIG_SYS_NAND_WP + +#define CONFIG_JFFS2_NAND +/* nand device jffs2 lives on */ +#define CONFIG_JFFS2_DEV "nand0" +/* start of jffs2 partition */ +#define CONFIG_JFFS2_PART_OFFSET 0x680000 +#define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 partition */ + +/* Environment information */ +#define CONFIG_BOOTDELAY 5 + +#define CONFIG_BOOTCOMMAND "mmcinit; fatload mmc 0 82000000 uImage; bootm 82000000" + +#define CONFIG_BOOTARGS "setenv bootargs console=ttyS2,115200n8 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootdelay=1" + +#define CONFIG_NETMASK 255.255.254.0 +#define CONFIG_IPADDR 128.247.77.90 +#define CONFIG_SERVERIP 128.247.77.158 +#define CONFIG_BOOTFILE "uImage" +#define CONFIG_AUTO_COMPLETE 1 +/* + * Miscellaneous configurable options + */ +#define V_PROMPT "Overo # " + +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_PROMPT V_PROMPT +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ + +#define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) /* memtest works on */ +#define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0+0x01F00000) /* 31MB */ + +#undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */ + +#define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load address */ + +/* 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by + * 32KHz clk, or from external sig. This rate is divided by a local divisor. + */ +#define V_PVT 7 + +#define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 +#define CONFIG_SYS_PVT V_PVT /* 2^(pvt+1) */ +#define CONFIG_SYS_HZ ((V_SCLK)/(2 << CONFIG_SYS_PVT)) + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE SZ_128K /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */ +#endif + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ +#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 +#define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */ +#define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 + +/* SDRAM Bank Allocation method */ +#define SDRC_R_B_C 1 + +/*----------------------------------------------------------------------- + * FLASH and environment organization + */ + +/* **** PISMO SUPPORT *** */ + +/* Configure the PISMO */ +#define PISMO1_NOR_SIZE_SDPV2 GPMC_SIZE_128M +#define PISMO1_NOR_SIZE GPMC_SIZE_64M + +#define PISMO1_NAND_SIZE GPMC_SIZE_128M +#define PISMO1_ONEN_SIZE GPMC_SIZE_128M +#define DBG_MPDB_SIZE GPMC_SIZE_16M +#define PISMO2_SIZE 0 + +#define CONFIG_SYS_MAX_FLASH_SECT (520) /* max number of sectors on one chip */ +#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ +#define CONFIG_SYS_MONITOR_LEN SZ_256K /* Reserve 2 sectors */ + +#define PHYS_FLASH_SIZE_SDPV2 SZ_128M +#define PHYS_FLASH_SIZE SZ_32M + +#define CONFIG_SYS_FLASH_BASE boot_flash_base +#define PHYS_FLASH_SECT_SIZE boot_flash_sec +/* Dummy declaration of flash banks to get compilation right */ +#define CONFIG_SYS_FLASH_BANKS_LIST {0, 0} + +#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE /* Monitor at start of flash */ +#define CONFIG_SYS_ONENAND_BASE ONENAND_MAP + +#define CONFIG_ENV_IS_IN_NAND 1 +#define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ +#define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ + +#define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec +#define CONFIG_ENV_OFFSET boot_flash_off +#define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET + +/*----------------------------------------------------------------------- + * CFI FLASH driver setup + */ +/* timeout values are in ticks */ +#define CONFIG_SYS_FLASH_ERASE_TOUT (100*CONFIG_SYS_HZ) /* Timeout for Flash Erase */ +#define CONFIG_SYS_FLASH_WRITE_TOUT (100*CONFIG_SYS_HZ) /* Timeout for Flash Write */ + +/* Flash banks JFFS2 should use */ +#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS+CONFIG_SYS_MAX_NAND_DEVICE) +#define CONFIG_SYS_JFFS2_MEM_NAND +#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS /* use flash_info[2] */ +#define CONFIG_SYS_JFFS2_NUM_BANKS 1 + +#define ENV_IS_VARIABLE 1 + +#ifndef __ASSEMBLY__ +extern unsigned int nand_cs_base; +extern unsigned int boot_flash_base; +extern volatile unsigned int boot_flash_env_addr; +extern unsigned int boot_flash_off; +extern unsigned int boot_flash_sec; +extern unsigned int boot_flash_type; +#endif + + +#define WRITE_NAND_COMMAND(d, adr)\ + __raw_writew(d, (nand_cs_base + GPMC_NAND_CMD)) +#define WRITE_NAND_ADDRESS(d, adr)\ + __raw_writew(d, (nand_cs_base + GPMC_NAND_ADR)) +#define WRITE_NAND(d, adr) __raw_writew(d, (nand_cs_base + GPMC_NAND_DAT)) +#define READ_NAND(adr) __raw_readw((nand_cs_base + GPMC_NAND_DAT)) + +/* Other NAND Access APIs */ +#define NAND_WP_OFF()\ + do {*(volatile u32 *)(GPMC_CONFIG) |= 0x00000010; } while (0) +#define NAND_WP_ON()\ + do {*(volatile u32 *)(GPMC_CONFIG) &= ~0x00000010; } while (0) +#define NAND_DISABLE_CE(nand) +#define NAND_ENABLE_CE(nand) +#define NAND_WAIT_READY(nand) udelay(10) + +#endif /* __CONFIG_H */ Index: u-boot-arm/Makefile =================================================================== --- u-boot-arm.orig/Makefile +++ u-boot-arm/Makefile @@ -2722,6 +2722,9 @@ omap3_beagle_config : unconfig omap3_evm_config : unconfig @$(MKCONFIG) $(@:_config=) arm arm_cortexa8 evm omap3 omap3
+omap3_overo_config : unconfig + @$(MKCONFIG) $(@:_config=) arm arm_cortexa8 overo omap3 omap3 + ######################################################################### ## XScale Systems #########################################################################